20137545645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{24917}}^1$

素因数の和:25154

約数の個数: 64

約数和(自身を含む): 37891307520

約数和(自身を除く): 17753761875

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 179, 215, 301, 537, 645, 895, 903, 1253, 1505, 2685, 3759, 4515, 6265, 7697, 18795, 23091, 24917, 38485, 53879, 74751, 115455, 124585, 161637, 174419, 269395, 373755, 523257, 808185, 872095, 1071431, 2616285, 3214293, 4460143, 5357155, 7500017, 13380429, 16071465, 22300715, 22500051, 31221001, 37500085, 66902145, 93663003, 112500255, 156105005, 191786149, 468315015, 575358447, 958930745, 1342503043, 2876792235, 4027509129, 6712515215, 20137545645]

約数ペア:

[(1, 20137545645), (3, 6712515215), (5, 4027509129), (7, 2876792235), (15, 1342503043), (21, 958930745), (35, 575358447), (43, 468315015), (105, 191786149), (129, 156105005), (179, 112500255), (215, 93663003), (301, 66902145), (537, 37500085), (645, 31221001), (895, 22500051), (903, 22300715), (1253, 16071465), (1505, 13380429), (2685, 7500017), (3759, 5357155), (4515, 4460143), (6265, 3214293), (7697, 2616285), (18795, 1071431), (23091, 872095), (24917, 808185), (38485, 523257), (53879, 373755), (74751, 269395), (115455, 174419), (124585, 161637)]